updated build files

src/BulletSoftBody/CMakeLists.txt

@@ -8,10 +8,6 @@ ADD_LIBRARY(LibBulletSoftBody
 	btSoftBody.h
 	btSoftBodyHelpers.cpp
 	btSparseSDF.h
-	btDbvtBroadphase.cpp
-	btDbvtBroadphase.h
-	btDbvt.cpp  
-	btDbvt.h
 	btSoftBodyHelpers.h
 	btSoftBodyRigidBodyCollisionConfiguration.cpp
 	btSoftRigidCollisionAlgorithm.cpp

src/BulletSoftBody/btSoftBody.h

@@ -120,6 +120,7 @@ public:
 	/* ImplicitFn	*/ 
 	struct	ImplicitFn
 	{
+		virtual ~ImplicitFn() {}
 		virtual btScalar	Eval(const btVector3& x)=0;
 	};